Fimbristylis CYPERACEAE Scirpus 



like, 5-8 dm. high; fr. brown, IX; style flattened, villous. Warm countries; 

 locally in Ki., Ku. Moist ground. Fig. 463. 



3. Fimbristylis rigidula Nees ^Jflf^ti (Kan P'iao Fu Ts'ao; Stiff Fimbristylis) 

 (H.F. 6: 640). Stiff, erect, 3-7 dm. high; fls. and fr. brown, V-VIII. China, 

 India, the Philippines; locally in An., Ku., Che. Grassland. 



4. Fimbristylis complanata (Retz.) Link mW&ffi^ (Nen Yeh P'iao Fu Ts'ao; 

 Delicate-leaved Fimbristylis) (Mak.F. 805). Grass-like, 3-5 dm. high; fls. and fr. 

 light brown, VII-VIII. All warm countries; locally in Che., Ki. Moist ground. 



5. Fimbristylis miliacea (L.) Vahl 0^1111*1,1' (Jih Chao P'iao Fu Ts'ao; Sun-lighted 

 Fimbristylis) (Mak.F. 807). Flexible, 1-5 dm. high; fls. and fr. brown, VIII-X. 

 Warm countries; locally in An., Che.. Ki., Ku. Wet places. 



9. Bulbostylis Kunth IM^M (Ch'i Mao Shu) 



Tufted annuals with capillary culms and lvs. : Ivs. long-hairy at top of the sheath: 

 spikelets in dense terminal head-like clusters or mostly solitary on the brs. of a com- 

 pound umbel: style 3-cleft, the base deciduous, leaving a tumor on the achene. (Latin: 

 bulbus, bulb, and stilus, style. 



1. Bulbostylis barbata (Rottb.) Kunth Ijlt^ (Ch'i Mao; Flag Grass) (H.F. 6:651). 

 Tufted, 1-3 dm. high; fr. brown, VIII-X. Warm regions of the Old World; locally 

 in An., Che., Ki. Moist sand. 



10. Lipocarpha R. Br. M^Jg (Hu Kua Ts'ao Shu) 



Glabrous erect tufted plants: culms lfy. at the base, each culm bearing a single 

 cluster of a few dense spikes: spikelets 1-fld., deciduous, leaving the lower part of 

 the axis marked with diamond-shaped scars: fig. scales with spreading tips: achene 

 enclosed by two hyaline hypogynous scales. About 15 species, widely distributed in 

 warm regions; 2 in China. (Greek: lipo, fat, and carpha, chaff, referring to the 

 thick scales of some species.) 

 1. Lipocarpha microcephala (R.Br.) Kunth ^JIJIv' (Hu Kua Ts'ao; Lake-gourd Grass) 

 (Mak.F. 804). Slender, tufted, 6-15 cm. high; fr. greenish, VIII-X; achene linear- 

 oblong, as long as the scales. Southeastern Asia to Australia; locally in An., 

 Che. Wet ground. 



11. Scirpus Linn. Bulrush 5§H (Kuan Shu; Sedge Genus) 



Culms sheathed at the base, glabrous: infl. in terminal corymbs or lateral heads, 

 sometimes of a single spikelet: scales of the spikelet spirally imbricated: hypogynous 

 bristles often present; style not constricted or jointed at the base. 125 species, cosmo- 

 politan; 20 in China. (The Latin name.) 



Key to the Species 



a. Infl. a lateral sessile cluster of spikelets. 



Culms terete, slender 1. S. erectus 



Culms triangular, stout 2. S. mucronatus 



aa. Infl. terminal or nearly so, a compound umbel-like cluster, or at 

 least some of the spikelets pedicelled. 

 b. Involucral bract one, appearing to be a continuation of the 

 culm: culms leafless above. 

 Culms slender, tufted, 15-60 cm. tall: style 3-cleft 3. S. mattfeldianus 



495 



